Re: Extending a Volume using Diskpart

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From: Doug Allen [MSFT] (dougall_at_online.microsoft.com)
Date: 03/03/04 

Date: Wed, 3 Mar 2004 14:24:08 -0500

David,

As been mentioned before, it sounds like this is expected behavior based on
your hardware configuration. Exert from Q325590:

- For Basic volumes, the unallocated space for the extension must be
  the next contiguous space on the same disk.

- For Dynamic Volumes, the unallocated space can be any empty space on
  any Dynamic disk on the system.

Also, did the new space appear on the end of the existing logical volume, or
as a new logical volume? It sounded like it appeared at the end of the
existing volume, which means that your hardware RAID controller supports
dynamic size extension for the array.

Also be sure to run diskpart from safe mode. 

-- 
Doug Allen, Windows 2000 MCSE
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"David Mah" <david@m2web.com> wrote in message
news:OYDLaVKAEHA.2216@TK2MSFTNGP10.phx.gbl...
> Bjorn
>
> Ok, you email gave me insight, I understand now.
>
> thanks a lot.
>
> David
>
>
> "Bjorn Landemoo" <mvp2.REMOVE@landemoo.com> wrote in message
> news:a5t940lgvovmr97g9ckl0o5h3ufg10c49k@4ax.com...
> > David
> >
> > Do you have free space adjacent to the volume(s) you are trying to
extend,
> > in the same container?
> >
> > Best regards
> >
> > Bjorn
> > -- 
> > Bjorn Landemoo - mvp2@landemoo.com - http://landemoo.com/
> > Microsoft MVP - Windows Server Networking
> >
> > "David Mah" <david@m2web.com> wrote:
> >
> > >I have an HP NetServer which contains a Raid 5 with one logical drive
> > >divided into 3 volumes, all basic. The operating system is Win2K built
as
> a
> > >Win2K (Not Upgraded).
> > >
> > >I have added another hard drive to the Raid 5 and it shows as
unallocated
> > >space within disk management snapin. I am now trying to extend two of
the
> > >volumes which neither is a system volume. However I get the error:
> > >
> > >Diskpart failed to extend the volume.
> > >Please make sure the volume is valid for extending
> > >
> > >
> > >Which according to article No. 325590 occurs only when a volume that is
> > >currently on a Dynamic disk but was originally created on a Basic disk.
> > >
> > >However my disk are just basic disks. I happened to have another server
> with
> > >exact same hardware as the one above and used it to install Win2K with
> same
> > >number of logical drive and volumes. I then used Diskpart to extend the
> > >volumes however on one volume the command is successful and on the
other
> I
> > >get the same error as above.
> > >
> > >Does anyone have any idea why this is happening?
> > >
> >
>
>

Relevant Pages

  • Re: partition ...arrangement ?
    ... >I don't know how the 7.8mb unallocated space got there, ... "That 8 MB partition is auto-created to handle dynamic disk information. ...
    (microsoft.public.windowsxp.general)
  • Re: Windows Disk Management
    ... I have a server with a single disk which has unallocated space on there. ... However simply using diskpart and going 'extend' volume is ...
    (microsoft.public.windows.server.general)
  • Re: Cannot extend volume
    ... A partition on a basic disk keeps a record in the partition table. ... therefore cannot extend the volume. ... If you have a backup since before you upgraded to dynamic disk, restore it, ...
    (microsoft.public.win2000.general)
  • RE: Logically extending partitions onto anothe drive
    ... means how to configure the server so that Disk A, partition A1 spills over ... to Disk B, partition B1. ... Also you may hear some other ways to extend the drive. ... from a basic to dynamic disk upgrade cannot be extended. ...
    (microsoft.public.windows.server.sbs)
  • Re: Extending a logical Drive
    ... if the disk does not have unallocated space you can not extend.... ... you use dynamic disk and use a spanned volume... ... take to extend the disk if I need to extend it by 200GB. ...
    (microsoft.public.windows.server.clustering)